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PrintPreviewListBox.cpp
资源名称：支持打印的LISTBOX.rar　[点击查看]
上传用户：hicheon
上传日期：2007-02-06
资源大小：34k
文件大小：25k
源码类别：

ListView/ListBox

开发平台：

Visual C++

PrintPreviewListBox.cpp：源码内容
  1. // PrintPreviewListBox.cpp : implementation file
  2. //
  4. #include "stdafx.h"
  5. #include "PrintPreviewListBox.h"
  7. #ifdef _DEBUG
  8. #define new DEBUG_NEW
  9. #undef THIS_FILE
  10. static char THIS_FILE[] = __FILE__;
  11. #endif
  13. #define PRINTMARGIN 2
  15. /////////////////////////////////////////////////////////////////////////////
  16. // CPrintPreviewListBox
  18. IMPLEMENT_DYNCREATE(CPrintPreviewListBox, CListBox)
  20. /*****************************************************************************/
  21. /*                                                                           */
  22. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  23. /*                                                                           */
  24. /* .MEMBERFUNCTION/-OPERATION [CPrintPreviewListBox           ]              */
  25. /*                                                                           */
  26. /* .DESCRIPTION:                                                             */
  27. /*  .......                                                                  */
  28. /*                                                                           */
  29. /* .REPORT                                                                   */
  30. /*  dd.mm.yy  Goran      description                                         */
  31. /*  ........  .........  ................................................... */
  32. /*                                                                           */
  33. /*****************************************************************************/
  34. CPrintPreviewListBox::CPrintPreviewListBox()
  35. {
  36. m_bPrintOnlySelectedItems = false;
  37. }
  38. /*****************************************************************************/
  39. /*****************************************************************************/
  40. /*                                                                           */
  41. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  42. /*                                                                           */
  43. /* .MEMBERFUNCTION/-OPERATION [~CPrintPreviewListBox          ]              */
  44. /*                                                                           */
  45. /* .DESCRIPTION:                                                             */
  46. /*  .......                                                                  */
  47. /*                                                                           */
  48. /* .REPORT                                                                   */
  49. /*  dd.mm.yy  Goran      description                                         */
  50. /*  ........  .........  ................................................... */
  51. /*                                                                           */
  52. /*****************************************************************************/
  53. CPrintPreviewListBox::~CPrintPreviewListBox()
  54. {
  55. }
  56. /*****************************************************************************/
  58. BEGIN_MESSAGE_MAP(CPrintPreviewListBox, CListBox)
  59. //{{AFX_MSG_MAP(CPrintPreviewListBox)
  60. ON_WM_CREATE()
  61. ON_WM_LBUTTONDOWN()
  62. //}}AFX_MSG_MAP
  63. END_MESSAGE_MAP()
  65. /////////////////////////////////////////////////////////////////////////////
  66. // CPrintPreviewListBox message handlers
  68. /*****************************************************************************/
  69. /*                                                                           */
  70. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  71. /*                                                                           */
  72. /* .MEMBERFUNCTION/-OPERATION [GetPrintTitle                  ]              */
  73. /*                                                                           */
  74. /* .DESCRIPTION:                                                             */
  75. /*  .......                                                                  */
  76. /*                                                                           */
  77. /* .REPORT                                                                   */
  78. /*  dd.mm.yy  Goran      description                                         */
  79. /*  ........  .........  ................................................... */
  80. /*                                                                           */
  81. /*****************************************************************************/
  82. CString CPrintPreviewListBox::GetPrintTitle()
  83. {
  84. return m_strTitle;
  85. }
  86. /*****************************************************************************/
  87. /*****************************************************************************/
  88. /*                                                                           */
  89. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  90. /*                                                                           */
  91. /* .MEMBERFUNCTION/-OPERATION [OnBeginPrinting                ]              */
  92. /*                                                                           */
  93. /* .DESCRIPTION:                                                             */
  94. /*  .......                                                                  */
  95. /*                                                                           */
  96. /* .REPORT                                                                   */
  97. /*  dd.mm.yy  Goran      description                                         */
  98. /*  ........  .........  ................................................... */
  99. /*                                                                           */
  100. /*****************************************************************************/
  101. void CPrintPreviewListBox::OnBeginPrinting (CDC* pDC, CPrintInfo* pInfo)
  102. {
  103. int nHeight = -((pDC->GetDeviceCaps (LOGPIXELSY) * 10) / 72);
  105. m_printerFont.CreateFont (nHeight, 0, 0, 0, FW_NORMAL, 0, 0, 0,
  106. DEFAULT_CHARSET, OUT_CHARACTER_PRECIS, CLIP_CHARACTER_PRECIS,
  107. DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE, "Courier New");
  109. TEXTMETRIC tm;
  110. CFont* pOldFont = pDC->SelectObject (&m_printerFont);
  111. pDC->GetTextMetrics (&tm);
  112. m_cyPrinter = tm.tmHeight + tm.tmExternalLeading;
  113. CSize size = pDC->GetTextExtent ("---------1---------2---------" 
  114. "3---------4---------5---------6---------7---------8-", 81);
  115. pDC->SelectObject (pOldFont);
  117. m_nLinesPerPage = (pDC->GetDeviceCaps (VERTRES) - (m_cyPrinter * (3 + (2 * PRINTMARGIN)))) / m_cyPrinter;
  119. m_nLinesTotal = SetLinesTotal(); // Setting up total lines for printing
  121. UINT nMaxPage = max (1, (m_nLinesTotal + (m_nLinesPerPage - 1)) / m_nLinesPerPage);
  122. pInfo->SetMaxPage (nMaxPage);
  124. m_cxOffset = (pDC->GetDeviceCaps (HORZRES) - size.cx) / 2;
  125. m_cxWidth = size.cx;
  126. }
  127. /*****************************************************************************/
  128. /*****************************************************************************/
  129. /*                                                                           */
  130. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  131. /*                                                                           */
  132. /* .MEMBERFUNCTION/-OPERATION [OnEndPrinting                  ]              */
  133. /*                                                                           */
  134. /* .DESCRIPTION:                                                             */
  135. /*  .......                                                                  */
  136. /*                                                                           */
  137. /* .REPORT                                                                   */
  138. /*  dd.mm.yy  Goran      description                                         */
  139. /*  ........  .........  ................................................... */
  140. /*                                                                           */
  141. /*****************************************************************************/
  142. void CPrintPreviewListBox::OnEndPrinting (CDC* pDC, CPrintInfo* pInfo)
  143. {
  144. m_printerFont.DeleteObject ();
  145. }
  146. /*****************************************************************************/
  147. /*****************************************************************************/
  148. /*                                                                           */
  149. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  150. /*                                                                           */
  151. /* .MEMBERFUNCTION/-OPERATION [OnPrint                        ]              */
  152. /*                                                                           */
  153. /* .DESCRIPTION:                                                             */
  154. /*  .......                                                                  */
  155. /*                                                                           */
  156. /* .REPORT                                                                   */
  157. /*  dd.mm.yy  Goran      description                                         */
  158. /*  ........  .........  ................................................... */
  159. /*                                                                           */
  160. /*****************************************************************************/
  161. void CPrintPreviewListBox::OnPrint (CDC* pDC, CPrintInfo* pInfo)
  162. {
  163. PrintPageHeader (pDC, pInfo->m_nCurPage);
  164. PrintPage (pDC, pInfo->m_nCurPage);
  165. }
  166. /*****************************************************************************/
  167. /*****************************************************************************/
  168. /*                                                                           */
  169. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  170. /*                                                                           */
  171. /* .MEMBERFUNCTION/-OPERATION [Print                          ]              */
  172. /*                                                                           */
  173. /* .DESCRIPTION:                                                             */
  174. /*  .......                                                                  */
  175. /*                                                                           */
  176. /* .REPORT                                                                   */
  177. /*  dd.mm.yy  Goran      description                                         */
  178. /*  ........  .........  ................................................... */
  179. /*                                                                           */
  180. /*****************************************************************************/
  181. void CPrintPreviewListBox::Print()
  182. {
  183. CDC dc;
  184. CPrintDialog printDlg( FALSE );
  186. if( printDlg.DoModal() != IDOK )             // Get printer settings from user
  187. return;
  188. else
  189. {
  190. dc.Attach( printDlg.GetPrinterDC() );         // attach a printer DC
  191. dc.m_bPrinting = TRUE;
  193. CString strTitle;
  194. strTitle.LoadString( AFX_IDS_APP_TITLE );
  196. DOCINFO di;                                 // Initialise print doc details
  197. memset( &di, 0, sizeof(DOCINFO) );
  198. di.cbSize = sizeof( DOCINFO );
  199. di.lpszDocName = strTitle;
  201. BOOL bPrintingOK = dc.StartDoc( &di );        // Begin a new print job
  203. CPrintInfo Info;
  204. Info.m_rectDraw.SetRect( 0, 0, dc.GetDeviceCaps(HORZRES), dc.GetDeviceCaps(VERTRES) );
  206. OnBeginPrinting( &dc, &Info );                // Initialise printing
  207. for( UINT page = Info.GetMinPage(); page <= Info.GetMaxPage() && bPrintingOK; page++ )
  208. {
  209. dc.StartPage();                         // begin new page
  210. Info.m_nCurPage = page;
  211. OnPrint( &dc, &Info );                    // Print page
  212. bPrintingOK = (dc.EndPage() > 0);       // end page
  213. }
  214. OnEndPrinting( &dc, &Info );                  // Clean up after printing
  216. if( bPrintingOK )
  217. dc.EndDoc();                            // end a print job
  218. else
  219. dc.AbortDoc();                          // abort job.
  221. dc.Detach();                                // detach the printer DC
  222. }
  223. }
  224. /*****************************************************************************/
  225. /*****************************************************************************/
  226. /*                                                                           */
  227. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  228. /*                                                                           */
  229. /* .MEMBERFUNCTION/-OPERATION [PrintPage                      ]              */
  230. /*                                                                           */
  231. /* .DESCRIPTION:                                                             */
  232. /*  .......                                                                  */
  233. /*                                                                           */
  234. /* .REPORT                                                                   */
  235. /*  dd.mm.yy  Goran      description                                         */
  236. /*  ........  .........  ................................................... */
  237. /*                                                                           */
  238. /*****************************************************************************/
  239. void CPrintPreviewListBox::PrintPage (CDC* pDC, UINT nPageNumber)
  240. {
  241. if( m_nLinesTotal != 0 )
  242. {
  243. UINT nStart = (nPageNumber - 1) * m_nLinesPerPage;
  244. UINT nEnd = min( m_nLinesTotal - 1, nStart + m_nLinesPerPage - 1 );
  246. CString string;
  247. CFont* pOldFont = pDC->SelectObject( &m_printerFont );
  249. UINT y;
  250. for( UINT i = nStart; i <= nEnd; i++ )
  251. {
  252. // BEGIN - Get items for printing
  253. string = m_strarFinalArray.GetAt( i );
  254. // END - Get items for printing
  255. y = ((i - nStart) + PRINTMARGIN + 3) * m_cyPrinter;
  256. pDC->TextOut( m_cxOffset, y, string );
  257. }
  258. pDC->SelectObject( pOldFont );
  259. }
  260. }
  261. /*****************************************************************************/
  262. /*****************************************************************************/
  263. /*                                                                           */
  264. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  265. /*                                                                           */
  266. /* .MEMBERFUNCTION/-OPERATION [PrintPageHeader                ]              */
  267. /*                                                                           */
  268. /* .DESCRIPTION:                                                             */
  269. /*  .......                                                                  */
  270. /*                                                                           */
  271. /* .REPORT                                                                   */
  272. /*  dd.mm.yy  Goran      description                                         */
  273. /*  ........  .........  ................................................... */
  274. /*                                                                           */
  275. /*****************************************************************************/
  276. void CPrintPreviewListBox::PrintPageHeader (CDC* pDC, UINT nPageNumber)
  277. {
  278. CString strHeader;
  280. strHeader = m_strTitle;
  282. CString strPageNumber;
  283. strPageNumber.Format( "Page %d", nPageNumber );
  285. UINT nSpaces = 81 - strPageNumber.GetLength() - strHeader.GetLength();
  286. for( UINT i = 0; i < nSpaces; i++ )
  287. strHeader += ' ';
  288. strHeader += strPageNumber;
  290. UINT y = m_cyPrinter * PRINTMARGIN;
  291. CFont* pOldFont = pDC->SelectObject( &m_printerFont );
  292. pDC->TextOut( m_cxOffset, y, strHeader );
  294. y += (m_cyPrinter * 3) / 2;
  295. pDC->MoveTo( m_cxOffset, y );
  296. pDC->LineTo( m_cxOffset + m_cxWidth, y );
  298. pDC->SelectObject( pOldFont );
  299. }
  300. /*****************************************************************************/
  301. /*****************************************************************************/
  302. /*                                                                           */
  303. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  304. /*                                                                           */
  305. /* .MEMBERFUNCTION/-OPERATION [SetLinesTotal                  ]              */
  306. /*                                                                           */
  307. /* .DESCRIPTION:                                                             */
  308. /*  .......                                                                  */
  309. /*                                                                           */
  310. /* .REPORT                                                                   */
  311. /*  dd.mm.yy  Goran      description                                         */
  312. /*  ........  .........  ................................................... */
  313. /*                                                                           */
  314. /*****************************************************************************/
  315. int CPrintPreviewListBox::SetLinesTotal()
  316. {
  317. int nCount;
  318. int nRetVal = 0;
  320. aryListBoxSel.RemoveAll();
  321. m_strarFinalArray.RemoveAll();
  322. if( !m_bPrintOnlySelectedItems ) // Print out entire content of listbox
  323. {
  324. nCount = this->GetCount();
  325. for( int i = 0; i < nCount; i++ )
  326. {
  327. CString sListBoxItem;
  328. this->GetText( i, sListBoxItem );
  329. LineBreaking( sListBoxItem );
  330. }
  331. }
  332. else // Print out only selected items in listbox
  333. {
  334. // Get the indexes of all the selected items.
  335. if( m_bIsMultiselection )
  336. {
  337. nCount = this->GetSelCount();
  338. aryListBoxSel.SetSize( nCount );
  339. this->GetSelItems( nCount, aryListBoxSel.GetData() );
  340. }
  341. else
  342. {
  343. int nCurrentSelection = this->GetCurSel();
  344. aryListBoxSel.Add( nCurrentSelection );
  345. }
  347. for( int i = 0; i < aryListBoxSel.GetSize(); i++ )
  348. {
  349. CString sSelectedItem;
  350. int nSelectedItem = aryListBoxSel.GetAt( i );
  351. this->GetText( nSelectedItem, sSelectedItem );
  352. LineBreaking( sSelectedItem );
  353. }
  354. }
  356. return m_strarFinalArray.GetSize();
  357. }
  358. /*****************************************************************************/
  359. /*****************************************************************************/
  360. /*                                                                           */
  361. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  362. /*                                                                           */
  363. /* .MEMBERFUNCTION/-OPERATION [SetPrintTitle                  ]              */
  364. /*                                                                           */
  365. /* .DESCRIPTION:                                                             */
  366. /*  .......                                                                  */
  367. /*                                                                           */
  368. /* .REPORT                                                                   */
  369. /*  dd.mm.yy  Goran      description                                         */
  370. /*  ........  .........  ................................................... */
  371. /*                                                                           */
  372. /*****************************************************************************/
  373. void CPrintPreviewListBox::SetPrintTitle( CString sNewTitle )
  374. {
  375. m_strTitle = sNewTitle;
  376. }
  377. /*****************************************************************************/
  378. /*****************************************************************************/
  379. /*                                                                           */
  380. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  381. /*                                                                           */
  382. /* .MEMBERFUNCTION/-OPERATION [LineBreaking                   ]              */
  383. /*                                                                           */
  384. /* .DESCRIPTION:                                                             */
  385. /*  .......                                                                  */
  386. /*                                                                           */
  387. /* .REPORT                                                                   */
  388. /*  dd.mm.yy  Goran      description                                         */
  389. /*  ........  .........  ................................................... */
  390. /*                                                                           */
  391. /*****************************************************************************/
  392. void CPrintPreviewListBox::LineBreaking( CString sSelectedItem )
  393. {
  394. int nLength = sSelectedItem.GetLength();
  395. if( nLength > 81 )
  396. {
  397. CString sLeft, sRight;
  398. div_t div_result;
  399. int nQuotient;
  401. div_result = div( nLength, 81 );
  402. nQuotient = div_result.quot;
  404. sLeft = sSelectedItem;
  405. while( nQuotient > 0 )
  406. {
  407. sRight = sLeft.Right( sLeft.GetLength() - 81 );
  408. sLeft = sLeft.Left( 81 );
  409. m_strarFinalArray.Add( sLeft );
  410. sLeft = sRight;
  411. if( sLeft.GetLength() <= 81 )
  412. m_strarFinalArray.Add( sLeft );
  413. nQuotient--;
  414. }
  415. }
  416. else
  417. m_strarFinalArray.Add( sSelectedItem );
  418. }
  419. /*****************************************************************************/
  420. /*****************************************************************************/
  421. /*                                                                           */
  422. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  423. /*                                                                           */
  424. /* .MEMBERFUNCTION/-OPERATION [SetOnlySelectedItems           ]              */
  425. /*                                                                           */
  426. /* .DESCRIPTION:                                                             */
  427. /*  .......                                                                  */
  428. /*                                                                           */
  429. /* .REPORT                                                                   */
  430. /*  dd.mm.yy  Goran      description                                         */
  431. /*  ........  .........  ................................................... */
  432. /*                                                                           */
  433. /*****************************************************************************/
  434. void CPrintPreviewListBox::SetOnlySelectedItems(bool bOnlySelectedItems)
  435. {
  436. m_bPrintOnlySelectedItems = bOnlySelectedItems;
  437. }
  438. /*****************************************************************************/
  439. /*****************************************************************************/
  440. /*                                                                           */
  441. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  442. /*                                                                           */
  443. /* .MEMBERFUNCTION/-OPERATION [GetOnlySelectedItems           ]              */
  444. /*                                                                           */
  445. /* .DESCRIPTION:                                                             */
  446. /*  .......                                                                  */
  447. /*                                                                           */
  448. /* .REPORT                                                                   */
  449. /*  dd.mm.yy  Goran      description                                         */
  450. /*  ........  .........  ................................................... */
  451. /*                                                                           */
  452. /*****************************************************************************/
  453. bool CPrintPreviewListBox::GetOnlySelectedItems()
  454. {
  455. return m_bPrintOnlySelectedItems;
  456. }
  457. /*****************************************************************************/
  458. /*****************************************************************************/
  459. /*                                                                           */
  460. /* .CLASSNAME:                [CPrintPreviewListBox           ]              */
  461. /*                                                                           */
  462. /* .MEMBERFUNCTION/-OPERATION [OnCreate                       ]              */
  463. /*                                                                           */
  464. /* .DESCRIPTION:                                                             */
  465. /*  .......                                                                  */
  466. /*                                                                           */
  467. /* .REPORT                                                                   */
  468. /*  dd.mm.yy  Goran      description                                         */
  469. /*  ........  .........  ................................................... */
  470. /*                                                                           */
  471. /*****************************************************************************/
  472. int CPrintPreviewListBox::OnCreate(LPCREATESTRUCT lpCreateStruct)
  473. {
  474. if (CListBox::OnCreate(lpCreateStruct) == -1)
  475. return -1;
  477. // TODO: Add your specialized creation code here
  478. if( GetStyle() & LBS_MULTIPLESEL ) // It is multiselection listbox
  479. m_bIsMultiselection = true;
  480. else // It is not multiselection listbox
  481. m_bIsMultiselection = false;
  483. return 0;
  484. }
  485. /*****************************************************************************/